keyword

is sulphate harmful for hair

Monthly search volume and cost-per-click data for "is sulphate harmful for hair" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=is+sulphate+harmful+for+hair&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0.02 | | competition | 0.01 | | country | US | | updated | 2026-05-22 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
sulfates in shampoo	5,400	$0.98	20/20
sulfate in shampoo	5,400	$0.84	15/20
are sulfates bad for hair	1,600	$0.33	20/20
is sulfate bad for your hair	1,600	$0.07	20/20
what are sulfates in shampoo	1,000	$0.09	16/20
is sulfate bad for hair	260	$0.02	16/20
is sulfate bad in shampoo	170	$0	16/20
is sulfate in shampoo bad	170	$0	16/20
is sulfate shampoo bad	170	$25.58	16/20
is sulphate bad for hair	50	$0	18/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=is+sulphate+harmful+for+hair&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt